Columbia Men's Bugaboot Snow Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 6" from arch Heel measures approximately 2" Insulated winter boot featuring secure lace-up shaft with quick-lace hardware at top and pull loop at back Seam-sealed waterproof upper 200-gram thinsulate insulation rated to -25 F degrees Techlite cushioned midsole Omni-grip non-marking outsole